# File lib/facter/util/memory.rb, line 8 def self.meminfo_number(tag) memsize = "" size = [0] File.readlines("/proc/meminfo").each do |l| size = $1.to_f if l =~ /^#{tag}:\s+(\d+)\s+\S+/ if tag == "MemFree" && l =~ /^(?:Buffers|Cached):\s+(\d+)\s+\S+/ size += $1.to_f end end size / 1024.0 end